84742535 has 16 divisors (see below), whose sum is σ = 108749952. Its totient is φ = 63168000.

The previous prime is 84742523. The next prime is 84742573. The reversal of 84742535 is 53524748.

It is a happy number.

It is not a de Polignac number, because 84742535 - 2⁴ = 84742519 is a prime.

It is a plaindrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3650 + ... + 13520.

It is an arithmetic number, because the mean of its divisors is an integer number (6796872).

Almost surely, 2^84742535 is an apocalyptic number.

84742535 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

84742535 is a deficient number, since it is larger than the sum of its proper divisors (24007417).

84742535 is a wasteful number, since it uses less digits than its factorization.

84742535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994.

The product of its digits is 134400, while the sum is 38.

The square root of 84742535 is about 9205.5708676866. The cubic root of 84742535 is about 439.2385849995.

The spelling of 84742535 in words is "eighty-four million, seven hundred forty-two thousand, five hundred thirty-five".